<!DOCTYPE html>
<html>
<style>
  html, body {
    height: 100%;
  }

  #target {
    visibility: hidden;
    height: 100%;
    overflow-y: scroll;
  }

  .item {
    visibility: visible;
    height: 800px;
    background: lightgray;
    width: 100%;
  }
</style>
<body>
  <div id=target>
    <div class="item">Item 2</div>
  </div>
</body>
